/*
*  Copyright 2019-2020 Zheng Jie
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/
package com.wise.common.device.group.service.impl;

import com.wise.common.device.group.domain.GfDeviceGroup;
import me.zhengjie.utils.ValidationUtil;
import me.zhengjie.utils.FileUtil;
import lombok.RequiredArgsConstructor;
import com.wise.common.device.group.repository.GfDeviceGroupRepository;
import com.wise.common.device.group.service.GfDeviceGroupService;
import com.wise.common.device.group.service.dto.GfDeviceGroupDto;
import com.wise.common.device.group.service.dto.GfDeviceGroupQueryCriteria;
import com.wise.common.device.group.service.mapstruct.GfDeviceGroupMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import cn.hutool.core.lang.Snowflake;
import cn.hutool.core.util.IdUtil;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import me.zhengjie.utils.PageUtil;
import me.zhengjie.utils.QueryHelp;
import java.util.List;
import java.util.Map;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.LinkedHashMap;

/**
* @website https://el-admin.vip
* @description 服务实现
* @author gaocm
* @date 2020-10-30
**/
@Service
@RequiredArgsConstructor
public class GfDeviceGroupServiceImpl implements GfDeviceGroupService {

    private final GfDeviceGroupRepository gfDeviceGroupRepository;
    private final GfDeviceGroupMapper gfDeviceGroupMapper;

    @Override
    public Map<String,Object> queryAll(GfDeviceGroupQueryCriteria criteria, Pageable pageable){
        Page<GfDeviceGroup> page = gfDeviceGroupRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);
        return PageUtil.toPage(page.map(gfDeviceGroupMapper::toDto));
    }

    @Override
    public List<GfDeviceGroupDto> queryAll(GfDeviceGroupQueryCriteria criteria){
        return gfDeviceGroupMapper.toDto(gfDeviceGroupRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder)));
    }

    @Override
    @Transactional
    public GfDeviceGroupDto findById(Long id) {
        GfDeviceGroup gfDeviceGroup = gfDeviceGroupRepository.findById(id).orElseGet(GfDeviceGroup::new);
        ValidationUtil.isNull(gfDeviceGroup.getId(),"GfDeviceGroup","id",id);
        return gfDeviceGroupMapper.toDto(gfDeviceGroup);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public GfDeviceGroupDto create(GfDeviceGroup resources) {
        Snowflake snowflake = IdUtil.createSnowflake(1, 1);
        resources.setId(snowflake.nextId()); 
        return gfDeviceGroupMapper.toDto(gfDeviceGroupRepository.save(resources));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(GfDeviceGroup resources) {
        GfDeviceGroup gfDeviceGroup = gfDeviceGroupRepository.findById(resources.getId()).orElseGet(GfDeviceGroup::new);
        ValidationUtil.isNull( gfDeviceGroup.getId(),"GfDeviceGroup","id",resources.getId());
        gfDeviceGroup.copy(resources);
        gfDeviceGroupRepository.save(gfDeviceGroup);
    }

    @Override
    public void deleteAll(Long[] ids) {
        for (Long id : ids) {
            gfDeviceGroupRepository.deleteById(id);
        }
    }

    @Override
    public void download(List<GfDeviceGroupDto> all, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (GfDeviceGroupDto gfDeviceGroup : all) {
            Map<String,Object> map = new LinkedHashMap<>();
            map.put("分组类型", gfDeviceGroup.getGroupUnit());
            map.put("分组名称", gfDeviceGroup.getGroupName());
            map.put("父级id", gfDeviceGroup.getParentId());
            map.put("创建时间", gfDeviceGroup.getCreateTime());
            map.put("更新时间", gfDeviceGroup.getUpdateTime());
            map.put("创建人", gfDeviceGroup.getCreateBy());
            map.put("更新人", gfDeviceGroup.getUpdateBy());
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }
}